<!DOCTYPE html>
<style>
    #block {
        font-family: sans-serif;
        display: block;
        margin: 10px;
        width: 400px;
        height: 60px;
        border: 1px solid black;
        position: relative;
        left: 50px;
    }
</style>
<div id="block">When this layer moves it shouldn't generate a repaint rect.</div>
